Industrial Relay Module

Product Description

This Phoenix Contact EMG 17-REL series relay module is designed for reliable switching and electrical isolation in industrial control systems.

Product Specifications

- Manufacturer: Phoenix Contact
- Type Number: EMG 17-REL/KSR- 24/21-21-LC
- Order Number: 2940391
- Input Voltage: 24V AC/DC (-20% / +10%)
- Output Contacts: 2x Changeover (2CO)
- Max. Switching Voltage: 250V AC
- Max. Continuous Current: 5A
- Contact Material: AgCdO (Silver Cadmium Oxide)
- Isolation: 4 kVeff (coil-contact)
- Mounting: DIN rail

Product Label Info

Model Code / Product Markings: EMG 17-REL/KSR- 24/21-21-LC

Application

This relay module is suitable for various signal coupling and amplification tasks in industrial automation environments.

Country of Origin

This product is manufactured in Germany.

Method of Application

Install this module on DIN rails for space-saving and reliable operation in control systems.

Safety Instructions

Follow standard safety precautions for handling electrical equipment.

Availability

Order now from PLC2Day, items in stock and ready for fast worldwide delivery.

Need urgent and express delivery, sourcing, or repairs? Contact us now.

Documentation

• Official datasheet or product page Phoenix Contact

Resources

Additional resources and manuals are available upon request. Contact us for details.

Internal & External Links

• All products from Phoenix Contact
• Explore similar products in Electrical Power Transmission

Frequently Asked Questions

What is the Industrial Relay Module used for?

This part is typically used in industrial control systems for signal coupling and amplification tasks.

What are the key advantages of Industrial Relay Module?

It offers reliable switching, electrical isolation, and space-saving installation on DIN rails.

Is EMG 17-REL/KSR- 24/21-21-LC compatible with my system?

If you're using Phoenix Contact control systems, especially in industrial automation, then this model will likely be compatible. Contact us to verify.

Alternatives to EMG 17-REL/KSR- 24/21-21-LC

For similar functionality, consider other relay modules from Phoenix Contact or compatible brands.

Can I sell my surplus stock to PLC2DAY?

Yes, absolutely. Contact us for surplus stock recovery and resale options.

Need Help?

Call us at +31(0)165 20 11 80 or get in touch online.

Last Update: 15/03/2026

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